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White Mountains Insurance Group Ltd
WTMAdd to Watchlist
2007.400USD
-5.960-0.30%
Close 06/22, 16:00（ET）Quotes delayed by 15 min
4.98BMarket Cap
4.96P/E TTM
Shareholding Stats
Updated: Sun, May 10
Updated: Sun, May 10
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Dimensional Fund Advisors, L.P.
6.32%
Neuberger Berman, LLC
4.91%
River Road Asset Management, LLC
4.87%
Vanguard Portfolio Management, LLC
4.67%
Vanguard Capital Management, LLC
4.41%
Other
74.83%
Shareholders
Shareholders
Proportion
Dimensional Fund Advisors, L.P.
6.32%
Neuberger Berman, LLC
4.91%
River Road Asset Management, LLC
4.87%
Vanguard Portfolio Management, LLC
4.67%
Vanguard Capital Management, LLC
4.41%
Other
74.83%
Shareholder Types
Shareholders
Proportion
Investment Advisor
48.35%
Investment Advisor/Hedge Fund
38.46%
Individual Investor
3.05%
Hedge Fund
2.96%
Research Firm
1.55%
Sovereign Wealth Fund
1.30%
Pension Fund
0.77%
Bank and Trust
0.31%
Family Office
0.05%
Other
3.21%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q4
511
2.44M
95.65%
--
2026Q1
628
2.56M
103.52%
+86.78K
2025Q4
611
2.42M
97.54%
-92.32K
2025Q3
586
2.44M
96.72%
-1.75K
2025Q2
586
2.49M
96.69%
-7.87K
2025Q1
596
2.48M
96.32%
+7.22K
2024Q4
591
2.43M
94.79%
-15.58K
2024Q3
575
2.37M
92.19%
-102.61K
2024Q2
570
2.43M
96.05%
-186.02K
2024Q1
553
2.41M
94.27%
-175.47K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Dimensional Fund Advisors, L.P.
156.60K
6.41%
-613.00
-0.39%
Dec 31, 2025
Neuberger Berman, LLC
129.65K
5.3%
+14.64K
+12.73%
Dec 31, 2025
River Road Asset Management, LLC
120.88K
4.94%
+11.29K
+10.30%
Dec 31, 2025
Fuller & Thaler Asset Management Inc.
108.17K
4.42%
+81.00
+0.07%
Dec 31, 2025
Cooke & Bieler, L.P.
106.58K
4.36%
-1.27K
-1.18%
Dec 31, 2025
BlackRock Institutional Trust Company, N.A.
96.59K
3.95%
-1.08K
-1.11%
Dec 31, 2025
Fiduciary Management, Inc.
90.33K
3.69%
-4.05K
-4.29%
Dec 31, 2025
Wallace Capital Management Inc.
80.35K
3.29%
-1.14K
-1.40%
Dec 31, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
Neuberger Berman Small-Mid Cap ETF
3%
SPDR S&P Insurance ETF
1.91%
Themes US Small Cap Cash Flow Champions ETF
1.45%
Brandes US Small-Mid Cap Value ETF
0.94%
iShares MSCI USA Small-Cap Min Vol Factor ETF
0.81%
AGF US Market Neutral Anti-Beta Fund
0.64%
FlexShares US Quality Low Volatility Index Fund
0.54%
Royce Quant Small-Cap Quality Value ETF
0.53%
Unusual Whales Subversive Republican Trading ETF
0.52%
SPDR SSGA US Small Cap Low Volatility Index ETF
0.48%
View more
Neuberger Berman Small-Mid Cap ETF
Proportion3%
SPDR S&P Insurance ETF
Proportion1.91%
Themes US Small Cap Cash Flow Champions ETF
Proportion1.45%
Brandes US Small-Mid Cap Value ETF
Proportion0.94%
iShares MSCI USA Small-Cap Min Vol Factor ETF
Proportion0.81%
AGF US Market Neutral Anti-Beta Fund
Proportion0.64%
FlexShares US Quality Low Volatility Index Fund
Proportion0.54%
Royce Quant Small-Cap Quality Value ETF
Proportion0.53%
Unusual Whales Subversive Republican Trading ETF
Proportion0.52%
SPDR SSGA US Small Cap Low Volatility Index ETF
Proportion0.48%
